#include <GaudiMath/Adapters.h>

Inheritance diagram for Genfun::GaudiMathImplementation::SimpleFunction:

Collaboration diagram for Genfun::GaudiMathImplementation::SimpleFunction:

Public Types
typedef double(*	Function1 )(const double)

typedef double(*	Function2 )(const double *)

typedef double(*	Function3 )(const std::vector< double > &)

Public Member Functions
	SimpleFunction (Function1 func)
	From CLHEP/GenericFunctions.

	SimpleFunction (Function2 func, const size_t dim)
	constructor from the simple function with array-like argument

	SimpleFunction (Function3 func, const size_t dim)
	constructor from the simple function with vector argument

	SimpleFunction (const SimpleFunction &)
	copy constructor

virtual	~SimpleFunction ()
	destructor

virtual unsigned int	dimensionality () const
	dimensionality of the problem

virtual bool	hasAnalyticDerivative () const
	Does this function have an analytic derivative?

virtual double	operator() (double) const
	Function value.

virtual double	operator() (const Argument &) const
	Function value.

virtual Genfun::Derivative	partial (unsigned int i) const
	Derivatives.

Protected Types
enum	Case { TrivialArg, ArrayArg, VectorArg }

Private Member Functions
	SimpleFunction ()

SimpleFunction &	operator= (const SimpleFunction &)

Private Attributes
Case	m_case

size_t	m_DIM

Function1	m_func1

Function2	m_func2

double *	m_arg2

Function3	m_func3

std::vector< double >	m_arg3

Detailed Description

Author: Ivan BELYAEV

Date: 2003-08-31

Definition at line 202 of file FunAdapters.h.

Member Typedef Documentation

typedef double(* Genfun::GaudiMathImplementation::SimpleFunction::Function1)(const double)

Definition at line 205 of file FunAdapters.h.

typedef double(* Genfun::GaudiMathImplementation::SimpleFunction::Function2)(const double *)

Definition at line 206 of file FunAdapters.h.

typedef double(* Genfun::GaudiMathImplementation::SimpleFunction::Function3)(const std::vector< double > &)

Definition at line 207 of file FunAdapters.h.

Member Enumeration Documentation

enum Genfun::GaudiMathImplementation::SimpleFunction::Case

protected

Enumerator:

TrivialArg
ArrayArg
VectorArg

Definition at line 209 of file FunAdapters.h.

{ TrivialArg , ArrayArg , VectorArg } ;

Constructor & Destructor Documentation

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction ( SimpleFunction::Function1 func )

From CLHEP/GenericFunctions.

from CLHGEP/GenericFunctions

constructor from the trivial function

Parameters

func	pointer to trivial function

Definition at line 156 of file Adapter.cpp.

      : AbsFunction ()
      , m_case      ( SimpleFunction::TrivialArg )
      , m_DIM       ( 1    )
      , m_func1     ( func )
      , m_func2     ( 0    )
      , m_arg2      ( 0    )
      , m_func3     ( 0    )
      , m_arg3      (      )
    {}

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction	(	SimpleFunction::Function2	func,
		const size_t	dim
	)

constructor from the simple function with array-like argument

Parameters

func	pointer to trivial function
dim	dimension of the argument

Definition at line 175 of file Adapter.cpp.

      : AbsFunction ()
      , m_case      ( SimpleFunction::ArrayArg  )
      , m_DIM       ( dim  )
      , m_func1     ( 0    )
      , m_func2     ( func )
      , m_arg2      ( 0    )
      , m_func3     ( 0    )
      , m_arg3      (      )
    {
      m_arg2 = new double[dim];
    }

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction	(	SimpleFunction::Function3	func,
		const size_t	dim
	)

constructor from the simple function with vector argument

constructor from the simple function with array-like argument

Parameters

func	pointer to trivial function
dim	dimension of the argument

Definition at line 197 of file Adapter.cpp.

      : AbsFunction ()
      , m_case      ( SimpleFunction::VectorArg  )
      , m_DIM       ( dim  )
      , m_func1     ( 0    )
      , m_func2     ( 0    )
      , m_arg2      ( 0    )
      , m_func3     ( func )
      , m_arg3      ( dim  , 0 )
    {}

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction ( const SimpleFunction & right )

copy constructor

Definition at line 214 of file Adapter.cpp.

      : AbsFunction ()
      , m_case      ( right.m_case  )
      , m_DIM       ( right.m_DIM   )
      , m_func1     ( right.m_func1 )
      , m_func2     ( right.m_func2 )
      , m_arg2      ( 0             )
      , m_func3     ( right.m_func3 )
      , m_arg3      ( right.m_arg3  )
    {
      if (  0 != right.m_arg2 )
      {
        std::memcpy(m_arg2, right.m_arg2, m_DIM);
      }
    }

Genfun::GaudiMathImplementation::SimpleFunction::~SimpleFunction ( )

virtual

destructor

Definition at line 234 of file Adapter.cpp.

{ if( 0 != m_arg2 ) { delete m_arg2 ; m_arg2 = 0 ;} }

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction ( )

private

Member Function Documentation

virtual unsigned int Genfun::GaudiMathImplementation::SimpleFunction::dimensionality ( ) const

inlinevirtual

dimensionality of the problem

Definition at line 243 of file FunAdapters.h.

{ return m_DIM ; }

virtual bool Genfun::GaudiMathImplementation::SimpleFunction::hasAnalyticDerivative ( ) const

inlinevirtual

Does this function have an analytic derivative?

Definition at line 245 of file FunAdapters.h.

{ return true ; }

double Genfun::GaudiMathImplementation::SimpleFunction::operator() ( double value ) const

virtual

Function value.

Definition at line 255 of file Adapter.cpp.

    {
      double result = 0 ;
      switch ( m_case )
      {
      case TrivialArg  :
        result = (*m_func1) ( value  ) ; break ;
      case ArrayArg    :
        std::fill ( m_arg2 , m_arg2 + m_DIM , 0.0 );
        m_arg2[0] = value  ;
        result = (*m_func2) ( m_arg2 ) ; break ;
      case VectorArg   :
        std::fill ( m_arg3.begin () , m_arg3.end () , 0.0 );
        m_arg3[0] = value  ;
        result = (*m_func3) ( m_arg3 ) ; break ;
      default:
        break ;
      };
      return result ;
    }

double Genfun::GaudiMathImplementation::SimpleFunction::operator() ( const Argument & argument ) const

virtual

Function value.

Definition at line 280 of file Adapter.cpp.

    {
      double result = 0 ;
      switch ( m_case )
      {
      case TrivialArg  :
        result = (*m_func1) ( argument[0]  ) ; break ;
      case ArrayArg    :
        for( size_t i = 0 ; i < m_DIM ; ++i ) { m_arg2[i] = argument[i] ; }
        return (*m_func2)( m_arg2 ) ;        ; break ;
      case VectorArg   :
        for( size_t i = 0 ; i < m_DIM ; ++i ) { m_arg3[i] = argument[i] ; }
        result = (*m_func3) ( m_arg3 ) ; break ;
      default:
        break ;
      }
      return result ;
    }

SimpleFunction& Genfun::GaudiMathImplementation::SimpleFunction::operator= ( const SimpleFunction & )

private

Genfun::Derivative Genfun::GaudiMathImplementation::SimpleFunction::partial ( unsigned int i ) const

virtual

Derivatives.

Definition at line 241 of file Adapter.cpp.

    {
      if ( i >= m_DIM )
      {
        const AbsFunction& aux = GaudiMath::Constant( 0 , m_DIM ) ;
        return Genfun::FunctionNoop( &aux ) ;
      }
      const  AbsFunction& aux = GaudiMath::Derivative( *this , i ) ;
      return Genfun::FunctionNoop( &aux );
    }

Member Data Documentation

double* Genfun::GaudiMathImplementation::SimpleFunction::m_arg2

private

Definition at line 268 of file FunAdapters.h.

std::vector<double> Genfun::GaudiMathImplementation::SimpleFunction::m_arg3

mutableprivate

Definition at line 271 of file FunAdapters.h.

Case Genfun::GaudiMathImplementation::SimpleFunction::m_case

private

Definition at line 262 of file FunAdapters.h.

size_t Genfun::GaudiMathImplementation::SimpleFunction::m_DIM

private

Definition at line 263 of file FunAdapters.h.

Function1 Genfun::GaudiMathImplementation::SimpleFunction::m_func1

private

Definition at line 265 of file FunAdapters.h.

Function2 Genfun::GaudiMathImplementation::SimpleFunction::m_func2

private

Definition at line 267 of file FunAdapters.h.

Function3 Genfun::GaudiMathImplementation::SimpleFunction::m_func3

private

Definition at line 270 of file FunAdapters.h.

The documentation for this class was generated from the following files:

/afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r6/GaudiGSL/GaudiMath/FunAdapters.h
/afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r6/GaudiGSL/src/Lib/Adapter.cpp

Gaudi Framework, version v23r6

Public Types

Public Member Functions

Protected Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation